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TYC 856 Radiator - Primary
Overview of TYC Radiator Part Number 856
The TYC Radiator 856 is engineered to provide reliable cooling performance for select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. Designed with durable aluminum core material, this radiator supports efficient heat dissipation and includes integrated oil coolers for both engine and transmission systems.
- Core material constructed from aluminum for enhanced heat transfer
- Includes concentric transmission oil cooler and plate engine oil cooler
- Crossflow flow configuration for optimized coolant circulation
- Core dimensions: 17.24 inches height, 30.51 inches length, 1.26 inches thickness
- Hose clamp inlet and outlet connections with 1.30 inch and 1.57 inch diameters respectively
- Designed with 64 fins per 4 inches and a total of 44 fin rows for effective cooling
- Compatible with multiple GM models including Buick LeSabre, Cadillac DeVille, and Pontiac Bonneville
TYC Radiator Product Line Details
The TYC Radiator product line focuses on delivering quality cooling components that meet or exceed OEM specifications. This line emphasizes durable aluminum cores combined with integrated oil coolers to support both engine and transmission cooling needs. The TYC Radiator 856 exemplifies this approach by incorporating a concentric transmission oil cooler and a plate-type engine oil cooler within a single unit, ensuring comprehensive thermal management for your vehicle.
Technical Specifications and Features
This radiator features a single-row core with a crossflow design, measuring 17.24 inches in height, 30.51 inches in length, and 1.26 inches in thickness. The core includes 43 tubes and 64 fins per 4 inches, arranged in 44 fin rows to maximize heat dissipation. Both the top and bottom headers measure 2.43 by 18.73 inches. The inlet and outlet connections use hose clamps with diameters of 1.30 inches and 1.57 inches respectively, facilitating secure coolant flow. Additionally, the radiator includes adapters for the transmission oil cooler inlet and outlet, both sized at 1/2-20 UNF.
Compatible Vehicles and Applications
- Buick models including LeSabre and Park Avenue
- Cadillac models such as DeVille, Eldorado, Fleetwood, and Seville
- Oldsmobile 88 and 98 series
- Pontiac Bonneville
This radiator is designed to replace original equipment in these vehicles, providing effective cooling for both engine and transmission oil systems.
Common Issues Addressed by This Radiator
- Overheating due to radiator core damage or clogging
- Transmission fluid overheating caused by faulty or missing oil cooler
- Engine oil temperature regulation failures
- Leaks or corrosion in original radiator components
- Reduced cooling efficiency from worn or damaged fins and tubes
Installation Notes and Tips
Installation requires proper handling of hose clamp connections for both inlet and outlet ports. Ensure that the transmission oil cooler adapters are securely fitted to prevent leaks. Verify compatibility with your specific Buick, Cadillac, Oldsmobile, or Pontiac model before installation. It is recommended to inspect and replace coolant and transmission fluid as part of the installation process to maintain optimal system performance.
Quality Assurance and Warranty
The TYC Radiator 856 is manufactured to meet industry standards for durability and performance. Constructed with an aluminum core and integrated oil coolers, it is designed for long service life. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region and application.
| Brand | TYC |
| Part Number | 856 |
| Position | TYC Radiator, Primary |
| Core Material | Aluminum |
| Transmission Oil Cooler Included | Yes |
| Transmission Oil Cooler Type | Concentric oil cooler |
| Engine Oil Cooler Type | Plate oil cooler |
| Engine Oil Cooler Included | Yes |
| Bottom Header | 2.43x18.73 |
| Core Height (in) | 17.24 |
| Core Length (in) | 30.51 |
| Core Thickness (in) | 1.26 |
| Eoc Distance (in) | 11.50 |
| Fin Count (every 4") | 64 |
| Fin Wave Height (in) | 0.31 |
| Find Wave Pitch | 3.2 |
| Flow Configuration | Crossflow |
| Inlet Connection Type | Hose clamp |
| Inlet Diameter (in) | 1.30 |
| No. Of Rows | 1 |
| Outlet Connection Type | Hose clamp |
| Outlet Diameter (in) | 1.57 |
| Toc Distance (in) | 11.50 |
| Toc Inlet Diameter (in) | 1/2-20unf |
| Toc Inlet Type | Adapter |
| Toc Outlet Diameter (in) | 1/2-20unf |
| Toc Outlet Type | Adapter |
| Top Header | 2.43x18.73 |
| Total Fin Row Count | 44 |
| Total Tube Count | 43 |
| Tube Count (every 4") | 10 |
| Tube Width X Height | 32x2 |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | Cadillac | DeVille | Base | Sedan | 4.9L | V8 | Primary | TYC Radiator | ||
| 1994 | Buick | Park Avenue | Ultra | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1994 | Cadillac | DeVille | Base | Sedan | 4.9L | V8 | Primary | TYC Radiator | ||
| 1994 | Oldsmobile | 88 | Royale LS | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1994 | Pontiac | Bonneville | SE | Sedan | 3.8L | V6 | Primary | w/ Towing Pkg; TYC Radiator | ||
| 1993 | Buick | LeSabre | Custom | Sedan | 3.8L | V6 | Primary | w/ Towing Pkg; TYC Radiator | ||
| 1993 | Buick | Park Avenue | Base | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1993 | Cadillac | DeVille | Base | Coupe | 4.9L | V8 | Primary | TYC Radiator | ||
| 1993 | Cadillac | Eldorado | Base | Coupe | 4.9L | V8 | Primary | TYC Radiator | ||
| 1993 | Cadillac | Seville | Base | Sedan | 4.9L | V8 | Primary | TYC Radiator | ||
| 1993 | Oldsmobile | 88 | Royale LS | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1993 | Oldsmobile | 98 | Regency | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1993 | Pontiac | Bonneville | SE | Sedan | 3.8L | V6 | Primary | w/ Towing Pkg; TYC Radiator | ||
| 1992 | Buick | LeSabre | Custom | Sedan | 3.8L | V6 | Primary | w/ Towing Pkg; TYC Radiator | ||
| 1992 | Buick | Park Avenue | Base | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1992 | Cadillac | DeVille | Base | Sedan | 4.9L | V8 | Primary | TYC Radiator | ||
| 1992 | Cadillac | Eldorado | Touring | Coupe | 4.9L | V8 | Primary | TYC Radiator | ||
| 1992 | Cadillac | Fleetwood | 60 Special | Sedan | FWD | 4.9L | V8 | Primary | TYC Radiator | |
| 1992 | Cadillac | Seville | Base | Sedan | 4.9L | V8 | Primary | TYC Radiator | ||
| 1992 | Oldsmobile | 88 | Royale LS | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1992 | Oldsmobile | 98 | Regency | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1992 | Pontiac | Bonneville | SE | Sedan | 3.8L | V6 | Primary | w/ Towing Pkg; TYC Radiator | ||
| 1991 | Buick | Park Avenue | Ultra | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1991 | Cadillac | DeVille | Spring Edition | Coupe | 4.9L | V8 | Primary | TYC Radiator | ||
| 1991 | Cadillac | Eldorado | Touring | Coupe | 4.9L | V8 | Primary | TYC Radiator | ||
| 1991 | Cadillac | Fleetwood | d'Elegance | Sedan | FWD | 4.9L | V8 | Primary | TYC Radiator | |
| 1991 | Cadillac | Seville | Base | Sedan | 4.9L | V8 | Primary | TYC Radiator | ||
| 1991 | Oldsmobile | 98 | Regency Elite | Sedan | 3.8L | V6 | Primary | w/o Level Indicator; TYC Radiator | ||
| 1990 | Cadillac | DeVille | 4.5L | V8 | N/A | w/ EOC; w/ TOC; TYC Radiator | ||||
| 1990 | Cadillac | Fleetwood | d'Elegance | Coupe | FWD | 4.5L | V8 | Primary | TYC Radiator | |
| 1989 | Cadillac | DeVille | 4.5L | V8 | N/A | w/ EOC; w/ TOC; TYC Radiator | ||||
| 1989 | Cadillac | Eldorado | Biarritz | Coupe | 4.5L | V8 | Primary | TYC Radiator | ||
| 1989 | Cadillac | Fleetwood | Brougham Commercial Chassis | Stripped Chassis | FWD | 4.5L | V8 | Primary | TYC Radiator | |
| 1989 | Cadillac | Seville | STS | Sedan | 4.5L | V8 | Primary | TYC Radiator | ||
| 1988 | Cadillac | DeVille | 4.5L | V8 | N/A | w/ EOC; w/ TOC; TYC Radiator | ||||
| 1988 | Cadillac | Eldorado | Base | Coupe | 4.5L | V8 | Primary | TYC Radiator | ||
| 1988 | Cadillac | Fleetwood | Brougham Commercial Chassis | Stripped Chassis | FWD | 4.5L | V8 | GAS | Primary | TYC Radiator |
| 1988 | Cadillac | Seville | STS | Sedan | 4.5L | V8 | Primary | TYC Radiator | ||
| 1987 | Cadillac | DeVille | Base | Sedan | 4.1L | V8 | GAS | Primary | TYC Radiator | |
| 1987 | Cadillac | Eldorado | Base | Coupe | 4.1L | V8 | Primary | TYC Radiator | ||
| 1987 | Cadillac | Fleetwood | Brougham Commercial Chassis | Stripped Chassis | FWD | 4.1L | V8 | GAS | Primary | TYC Radiator |
| 1987 | Cadillac | Seville | Base | Sedan | 4.1L | V8 | Primary | TYC Radiator | ||
| 1986 | Cadillac | DeVille | Touring | Coupe | 4.1L | V8 | GAS | Primary | TYC Radiator | |
| 1986 | Cadillac | Eldorado | Base | Coupe | 4.1L | V8 | Primary | TYC Radiator | ||
| 1986 | Cadillac | Fleetwood | 75 | Limousine | FWD | 4.1L | V8 | GAS | Primary | TYC Radiator |
| 1986 | Cadillac | Seville | Base | Sedan | 4.1L | V8 | Primary | TYC Radiator | ||
| 1985 | Cadillac | DeVille | Base | Coupe | 4.1L | V8 | GAS | Primary | TYC Radiator | |
| 1985 | Cadillac | Fleetwood | Base | Sedan | FWD | 4.1L | V8 | GAS | Primary | TYC Radiator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.